Pixel with enhanced drain

Some embodiments relate to an integrated circuit, comprising: a pixel, comprising: a photodetection region; and a drain configured to discard charge carriers from within a semiconductor region of the pixel outside of the photodetection region. Some embodiments relate to an integrated circuit, comprising: a pixel, comprising: a photodetection region; and a drain configured to discard charge carriers from the photodetection region, wherein the drain comprises a semiconductor region and the semiconductor region is contacted by a metal contact. Some embodiments relate to an integrated circuit, comprising: a pixel, comprising: a photodetection region; and a drain configured to discard charge carriers from the photodetection region, wherein the drain comprises a semiconductor region that to which electrical contact is made through a conductive path that does not include a polysilicon electrode.